(19)

(11)

EP 0 812 127 A1

(12)

(43) Date of publication: 17.12.1997 Bulletin 1997/51 (21) Application number: 96908774.0 (22) Date of filing: 26.02.1996

(51) International Patent Classification (IPC):  A01B 43/ 00( . ) (86) International application number: PCT/US1996/003401 (87) International publication number: WO 1996/026634 (06.09.1996 Gazette 1996/40)

(84) Designated Contracting States: CH DE ES FR GB IT LI SE (30) Priority: 27.02.1995 US 19950387305 (71) Applicant: Farmer's Factory Co. Lee, IL 60530 (US)	(72) Inventors: FOSTER, Phillip, W. Lee, IL 60530 (US) FOSTER, Gerald, T. Lee, IL 60530 (US) BURTON, Paul Lee, IL 60530 (US) BROZ, John, J. Hinckley, IL 60520 (US) (74) Representative: Meyers, Ernest  Office de Brevets Meyers & Van Malderen 261 route d'Arlon B.P. 111 8002 Strassen 8002 Strassen (LU)